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pktcdvd: remove assignment in if condition 

* Remove checkpatch errors caused due to assignment operation in if
condition

Signed-off-by: RAGHU Halharvi <raghuhack78@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
RAGHU Halharvi 2018-07-17 22:32:12 +05:30 committed by Jens Axboe
parent 6ce3dd6eec
commit ada94973f1
1 changed files with 46 additions and 23 deletions
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69
drivers/block/pktcdvd.c
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@ -798,7 +798,8 @@ static noinline_for_stack int pkt_set_speed(struct pktcdvd_device *pd,
cgc.cmd[4] = (write_speed >> 8) & 0xff;
cgc.cmd[5] = write_speed & 0xff;
if ((ret = pkt_generic_packet(pd, &cgc)))
ret = pkt_generic_packet(pd, &cgc);
if (ret)
pkt_dump_sense(pd, &cgc);
return ret;
@ -1562,7 +1563,8 @@ static int pkt_get_disc_info(struct pktcdvd_device *pd, disc_information *di)
cgc.cmd[8] = cgc.buflen = 2;
cgc.quiet = 1;
if ((ret = pkt_generic_packet(pd, &cgc)))
ret = pkt_generic_packet(pd, &cgc);
if (ret)
return ret;
/* not all drives have the same disc_info length, so requeue
@ -1591,7 +1593,8 @@ static int pkt_get_track_info(struct pktcdvd_device *pd, __u16 track, __u8 type,
cgc.cmd[8] = 8;
cgc.quiet = 1;
if ((ret = pkt_generic_packet(pd, &cgc)))
ret = pkt_generic_packet(pd, &cgc);
if (ret)
return ret;
cgc.buflen = be16_to_cpu(ti->track_information_length) +
@ -1612,17 +1615,20 @@ static noinline_for_stack int pkt_get_last_written(struct pktcdvd_device *pd,
__u32 last_track;
int ret = -1;
if ((ret = pkt_get_disc_info(pd, &di)))
ret = pkt_get_disc_info(pd, &di);
if (ret)
return ret;
last_track = (di.last_track_msb << 8) | di.last_track_lsb;
if ((ret = pkt_get_track_info(pd, last_track, 1, &ti)))
ret = pkt_get_track_info(pd, last_track, 1, &ti);
if (ret)
return ret;
/* if this track is blank, try the previous. */
if (ti.blank) {
last_track--;
if ((ret = pkt_get_track_info(pd, last_track, 1, &ti)))
ret = pkt_get_track_info(pd, last_track, 1, &ti);
if (ret)
return ret;
}
@ -1657,7 +1663,8 @@ static noinline_for_stack int pkt_set_write_settings(struct pktcdvd_device *pd)
memset(buffer, 0, sizeof(buffer));
init_cdrom_command(&cgc, buffer, sizeof(*wp), CGC_DATA_READ);
cgc.sense = &sense;
if ((ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0))) {
ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0);
if (ret) {
pkt_dump_sense(pd, &cgc);
return ret;
}
@ -1672,7 +1679,8 @@ static noinline_for_stack int pkt_set_write_settings(struct pktcdvd_device *pd)
*/
init_cdrom_command(&cgc, buffer, size, CGC_DATA_READ);
cgc.sense = &sense;
if ((ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0))) {
ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0);
if (ret) {
pkt_dump_sense(pd, &cgc);
return ret;
}
@ -1714,7 +1722,8 @@ static noinline_for_stack int pkt_set_write_settings(struct pktcdvd_device *pd)
wp->packet_size = cpu_to_be32(pd->settings.size >> 2);
cgc.buflen = cgc.cmd[8] = size;
if ((ret = pkt_mode_select(pd, &cgc))) {
ret = pkt_mode_select(pd, &cgc);
if (ret) {
pkt_dump_sense(pd, &cgc);
return ret;
}
@ -1819,7 +1828,8 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd)
memset(&di, 0, sizeof(disc_information));
memset(&ti, 0, sizeof(track_information));
if ((ret = pkt_get_disc_info(pd, &di))) {
ret = pkt_get_disc_info(pd, &di);
if (ret) {
pkt_err(pd, "failed get_disc\n");
return ret;
}
@ -1830,7 +1840,8 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd)
pd->type = di.erasable ? PACKET_CDRW : PACKET_CDR;
track = 1; /* (di.last_track_msb << 8) | di.last_track_lsb; */
if ((ret = pkt_get_track_info(pd, track, 1, &ti))) {
ret = pkt_get_track_info(pd, track, 1, &ti);
if (ret) {
pkt_err(pd, "failed get_track\n");
return ret;
}
@ -1918,7 +1929,8 @@ static noinline_for_stack int pkt_write_caching(struct pktcdvd_device *pd,
*/
cgc.quiet = 1;
if ((ret = pkt_mode_sense(pd, &cgc, GPMODE_WCACHING_PAGE, 0)))
ret = pkt_mode_sense(pd, &cgc, GPMODE_WCACHING_PAGE, 0);
if (ret)
return ret;
buf[pd->mode_offset + 10] |= (!!set << 2);
@ -2093,7 +2105,8 @@ static noinline_for_stack int pkt_perform_opc(struct pktcdvd_device *pd)
cgc.timeout = 60*HZ;
cgc.cmd[0] = GPCMD_SEND_OPC;
cgc.cmd[1] = 1;
if ((ret = pkt_generic_packet(pd, &cgc)))
ret = pkt_generic_packet(pd, &cgc);
if (ret)
pkt_dump_sense(pd, &cgc);
return ret;
}
@ -2103,19 +2116,22 @@ static int pkt_open_write(struct pktcdvd_device *pd)
int ret;
unsigned int write_speed, media_write_speed, read_speed;
if ((ret = pkt_probe_settings(pd))) {
ret = pkt_probe_settings(pd);
if (ret) {
pkt_dbg(2, pd, "failed probe\n");
return ret;
}
if ((ret = pkt_set_write_settings(pd))) {
ret = pkt_set_write_settings(pd);
if (ret) {
pkt_dbg(1, pd, "failed saving write settings\n");
return -EIO;
}
pkt_write_caching(pd, USE_WCACHING);
if ((ret = pkt_get_max_speed(pd, &write_speed)))
ret = pkt_get_max_speed(pd, &write_speed);
if (ret)
write_speed = 16 * 177;
switch (pd->mmc3_profile) {
case 0x13: /* DVD-RW */
@ -2124,7 +2140,8 @@ static int pkt_open_write(struct pktcdvd_device *pd)
pkt_dbg(1, pd, "write speed %ukB/s\n", write_speed);
break;
default:
if ((ret = pkt_media_speed(pd, &media_write_speed)))
ret = pkt_media_speed(pd, &media_write_speed);
if (ret)
media_write_speed = 16;
write_speed = min(write_speed, media_write_speed * 177);
pkt_dbg(1, pd, "write speed %ux\n", write_speed / 176);
@ -2132,14 +2149,16 @@ static int pkt_open_write(struct pktcdvd_device *pd)
}
read_speed = write_speed;
if ((ret = pkt_set_speed(pd, write_speed, read_speed))) {
ret = pkt_set_speed(pd, write_speed, read_speed);
if (ret) {
pkt_dbg(1, pd, "couldn't set write speed\n");
return -EIO;
}
pd->write_speed = write_speed;
pd->read_speed = read_speed;
if ((ret = pkt_perform_opc(pd))) {
ret = pkt_perform_opc(pd);
if (ret) {
pkt_dbg(1, pd, "Optimum Power Calibration failed\n");
}
@ -2161,10 +2180,12 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)
* so bdget() can't fail.
*/
bdget(pd->bdev->bd_dev);
if ((ret = blkdev_get(pd->bdev, FMODE_READ | FMODE_EXCL, pd)))
ret = blkdev_get(pd->bdev, FMODE_READ | FMODE_EXCL, pd);
if (ret)
goto out;
if ((ret = pkt_get_last_written(pd, &lba))) {
ret = pkt_get_last_written(pd, &lba);
if (ret) {
pkt_err(pd, "pkt_get_last_written failed\n");
goto out_putdev;
}
@ -2175,7 +2196,8 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)
q = bdev_get_queue(pd->bdev);
if (write) {
if ((ret = pkt_open_write(pd)))
ret = pkt_open_write(pd);
if (ret)
goto out_putdev;
/*
* Some CDRW drives can not handle writes larger than one packet,
@ -2190,7 +2212,8 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)
clear_bit(PACKET_WRITABLE, &pd->flags);
}
if ((ret = pkt_set_segment_merging(pd, q)))
ret = pkt_set_segment_merging(pd, q);
if (ret)
goto out_putdev;
if (write) {